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idle

  1. rough idle

    2nd Generation Explorers | 1995-2001
    Hey guys. I am at my wits end here. My truck stumbles real bad at idle at stop lights. Acts like it's going to stall out but never does. However, at acceleration and full speed it drives fine...no stumbling, or loss of power although maybe once or twice a week it will hesitate slightly. I have...
  2. EGR valve/vac leak

    2nd Generation Explorers | 1995-2001
    I've been hunting for vac leaks for some time now. Rough idle, flares and fades, stumbles in OD low RPM. There is definitely a vac leak at one of the tiny holes around the bottom of the EGR valve disk. Is this normal? I've tested the valve by putting vac on the diaphragm and the valve opens...
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